package j05fengzhuang;

public class J03 {
}

class C1{
    //自己调自己，递归
    public void f1(){
        System.out.println("i am f1");

//        f2();
//        f1();
    }
    public void f2(){
        System.out.println("i am f2");

//        f1();
    }
}

class C1Test{
    public static void main(String[] args) {
        C1 c1 = new C1();
        c1.f1();
    }
}
